[ 1162.295021][T11133] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1162.396806][T11131] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1165.710001][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1165.710767][T11125] Could not find netns with fd: 2000
[ 1165.711307][T11125] Cannot link a netdevsim to itself
[ 1165.711947][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).